EE872

4 in 1 Probe for CO2, Humidity, Temperature and Pressure

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The EE872 from E+E Elektronik measures the CO2 concentration up to 5 % (50 000 ppm) as well as relative humidity, temperature and ambient pressure. Additionally, the 4 in 1 probe also calculates the dew point temperature. It is perfectly suited for use in harsh and aggressive environment, such as agricultural applications. The active pressure and temperature compensation ensures a very high CO2 measuring accuracy. A heated probe version is available for CO2 measurement in high humidity applications.

EE872 product video – 

For Harsh Environmental Conditions

The CO2 measurement is based on the pollution-resistant E+E dual wavelength NDIR measuring principle. It automatically compensates for aging effects, which leads to outstanding long-term stability. Thanks to the E+E proprietary coating, the humidity sensing element is suitable even for aggressive and corrosive environment.

High Measuring Accuracy

The multi-point CO2 and temperature factory adjustment ensures high accuracy over the entire working range of -40…60 °C (-40…140 °F). Due to the active pressure and temperature compensation with on-board sensors, the EE872 offers a particularly high CO2 measuring accuracy, independent of altitude or environmental conditions.

Heated Probe Version for High Humidity

The heated version of the EE872 can be used especially for CO2 measurement in high humidity or condensing conditions. The heating prevents condensation on the sensing module, which makes the probe work reliably even in the high humidity range. In the heated version the humidity and temperature measurement is not available.

Further Features:

  • Interchangeable sensing module
  • Robust IP65 stainless steel or plastic enclosure
  • Replaceable filter caps (PTFE or catalytic filter cap for H2O2 environment)
  • CO2 voltage and current outputs
  • RS485 interface with Modbus RTU protocol
  • User configurable and adjustable

The EE872 from E+E Elektronik measures the CO2 concentration up to 5 % (50 000 ppm) as well as relative humidity, temperature and ambient pressure. Additionally, the 4 in 1 probe also calculates the dew point temperature. It is perfectly suited for use in harsh and aggressive environment, such as agricultural applications. The active pressure and temperature compensation ensures a very high CO2 measuring accuracy. A heated probe version is available for CO2 measurement in high humidity applications.

EE872 product video – 

For Harsh Environmental Conditions

The CO2 measurement is based on the pollution-resistant E+E dual wavelength NDIR measuring principle. It automatically compensates for aging effects, which leads to outstanding long-term stability. Thanks to the E+E proprietary coating, the humidity sensing element is suitable even for aggressive and corrosive environment.

High Measuring Accuracy

The multi-point CO2 and temperature factory adjustment ensures high accuracy over the entire working range of -40…60 °C (-40…140 °F). Due to the active pressure and temperature compensation with on-board sensors, the EE872 offers a particularly high CO2 measuring accuracy, independent of altitude or environmental conditions.

Heated Probe Version for High Humidity

The heated version of the EE872 can be used especially for CO2 measurement in high humidity or condensing conditions. The heating prevents condensation on the sensing module, which makes the probe work reliably even in the high humidity range. In the heated version the humidity and temperature measurement is not available.

Further Features:

  • Interchangeable sensing module
  • Robust IP65 stainless steel or plastic enclosure
  • Replaceable filter caps (PTFE or catalytic filter cap for H2O2 environment)
  • CO2 voltage and current outputs
  • RS485 interface with Modbus RTU protocol
  • User configurable and adjustable
To find out more about the EE872

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